package com.xuenci.gulimall.order.config;/*
 *@author:xec
 *@date:2022/6/7  11:45
 */

import com.rabbitmq.client.Channel;
import com.xuenci.gulimall.order.entity.OrderEntity;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQconfig {

//    @RabbitListener(queues = "order.release.order.queue")
//    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {
//        System.out.println("收到过期的订单：准备关闭订单那"+entity.getOrderSn());
//        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
//    }

    // @Bean   Binding、Queue、Exchange

    /**
     * 使用@Bean 容器中的Binding、Queue、Exchange 都会自动创建（前提是RabbitMQ没有的情况）
     * RabbitMQ只要，@Bean 声明属性发生变化也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        Map<String,Object> arguments = new HashMap<>();

        /**
         * x-dead-letter-exchange: user.order.exchange
         * x-dead-letter-routing-key: order
         * x-message-ttl: 60000
         */
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);

        // String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue(){
        // order.release.order.queue
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
        // String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        // String destination, DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding(){
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    @Bean
    public Queue orderSeckillOrderQueue(){
        // String name, boolean durable, boolean exclusive, boolean autoDelete
        return new Queue("order.seckill.order.queue",true,false,false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        // String destination, DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}
